wlcore/wl18xx: add smart config commands

These commands configures the fw to set key,
enter smart config mode, and exit it.

Add relevant hw ops as well.

Signed-off-by: Eliad Peller <[e-mail]>
Signed-off-by: John W. Linville <[e-mail]>

drivers/net/wireless/ti/wl18xx/cmd.c

···
 out:
 	return ret;
 }
+
+int wl18xx_cmd_smart_config_start(struct wl1271 *wl, u32 group_bitmap)
+{
+	struct wl18xx_cmd_smart_config_start *cmd;
+	int ret = 0;
+
+	wl1271_debug(DEBUG_CMD, "cmd smart config start group_bitmap=0x%x",
+		     group_bitmap);
+
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (!cmd) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	cmd->group_id_bitmask = cpu_to_le32(group_bitmap);
+
+	ret = wl1271_cmd_send(wl, CMD_SMART_CONFIG_START, cmd, sizeof(*cmd), 0);
+	if (ret < 0) {
+		wl1271_error("failed to send smart config start command");
+		goto out_free;
+	}
+
+out_free:
+	kfree(cmd);
+out:
+	return ret;
+}
+
+int wl18xx_cmd_smart_config_stop(struct wl1271 *wl)
+{
+	struct wl1271_cmd_header *cmd;
+	int ret = 0;
+
+	wl1271_debug(DEBUG_CMD, "cmd smart config stop");
+
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (!cmd) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	ret = wl1271_cmd_send(wl, CMD_SMART_CONFIG_STOP, cmd, sizeof(*cmd), 0);
+	if (ret < 0) {
+		wl1271_error("failed to send smart config stop command");
+		goto out_free;
+	}
+
+out_free:
+	kfree(cmd);
+out:
+	return ret;
+}
+
+int wl18xx_cmd_smart_config_set_group_key(struct wl1271 *wl, u16 group_id,
+					  u8 key_len, u8 *key)
+{
+	struct wl18xx_cmd_smart_config_set_group_key *cmd;
+	int ret = 0;
+
+	wl1271_debug(DEBUG_CMD, "cmd smart config set group key id=0x%x",
+		     group_id);
+
+	if (key_len != sizeof(cmd->key)) {
+		wl1271_error("invalid group key size: %d", key_len);
+		return -E2BIG;
+	}
+
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (!cmd) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	cmd->group_id = cpu_to_le32(group_id);
+	memcpy(cmd->key, key, key_len);
+
+	ret = wl1271_cmd_send(wl, CMD_SMART_CONFIG_SET_GROUP_KEY, cmd,
+			      sizeof(*cmd), 0);
+	if (ret < 0) {
+		wl1271_error("failed to send smart config set group key cmd");
+		goto out_free;
+	}
+
+out_free:
+	kfree(cmd);
+out:
+	return ret;
+}

drivers/net/wireless/ti/wl18xx/cmd.h

···
 int wl18xx_cmd_channel_switch(struct wl1271 *wl,
 			      struct wl12xx_vif *wlvif,
 			      struct ieee80211_channel_switch *ch_switch);
-
+int wl18xx_cmd_smart_config_start(struct wl1271 *wl, u32 group_bitmap);
+int wl18xx_cmd_smart_config_stop(struct wl1271 *wl);
+int wl18xx_cmd_smart_config_set_group_key(struct wl1271 *wl, u16 group_id,
+					  u8 key_len, u8 *key);
 #endif

drivers/net/wireless/ti/wl18xx/main.c

···
 	.convert_hwaddr = wl18xx_convert_hwaddr,
 	.lnk_high_prio	= wl18xx_lnk_high_prio,
 	.lnk_low_prio	= wl18xx_lnk_low_prio,
+	.smart_config_start = wl18xx_cmd_smart_config_start,
+	.smart_config_stop  = wl18xx_cmd_smart_config_stop,
+	.smart_config_set_group_key = wl18xx_cmd_smart_config_set_group_key,
 };
 
 /* HT cap appropriate for wide channels in 2Ghz */

drivers/net/wireless/ti/wlcore/hw_ops.h

···
 	return wl->ops->lnk_low_prio(wl, hlid, lnk);
 }
 
+static inline int
+wlcore_smart_config_start(struct wl1271 *wl, u32 group_bitmap)
+{
+	if (!wl->ops->smart_config_start)
+		return -EINVAL;
+
+	return wl->ops->smart_config_start(wl, group_bitmap);
+}
+
+static inline int
+wlcore_smart_config_stop(struct wl1271 *wl)
+{
+	if (!wl->ops->smart_config_stop)
+		return -EINVAL;
+
+	return wl->ops->smart_config_stop(wl);
+}
+
+static inline int
+wlcore_smart_config_set_group_key(struct wl1271 *wl, u16 group_id,
+				  u8 key_len, u8 *key)
+{
+	if (!wl->ops->smart_config_set_group_key)
+		return -EINVAL;
+
+	return wl->ops->smart_config_set_group_key(wl, group_id, key_len, key);
+}
 #endif

drivers/net/wireless/ti/wlcore/wlcore.h

···
 			      struct wl1271_link *lnk);
 	bool (*lnk_low_prio)(struct wl1271 *wl, u8 hlid,
 			     struct wl1271_link *lnk);
+	int (*smart_config_start)(struct wl1271 *wl, u32 group_bitmap);
+	int (*smart_config_stop)(struct wl1271 *wl);
+	int (*smart_config_set_group_key)(struct wl1271 *wl, u16 group_id,
+					  u8 key_len, u8 *key);
 };
 
 enum wlcore_partitions {